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Research papers on Sleep deprivation and cognition

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  1. The Cumulative Cost of Additional Wakefulness: Dose-Response Effects on Neurobehavioral Functions and Sleep Physiology From Chronic Sleep Restriction and Total Sleep Deprivation

    Hans P. A. Van Dongen, Greg Maislin, Janet Mullington, et al. · 2003 · SLEEP · 3,154 citations

    OBJECTIVES: To inform the debate over whether human sleep can be chronically reduced without consequences, we conducted a dose-response chronic sleep restriction experiment in which waking neurobehavioral and sleep physiological functions were monitored and compared to those for total sleep deprivation. DESIGN: The chronic sleep restriction experiment involved randomization to one of three sleep doses (4 h, 6 h, or 8 h time in bed per night), which were maintained for 14 consecutive days. The total sleep deprivation experiment involved 3 nights without sleep (0 h time in bed). Each study also involved 3 baseline (pre-deprivation) days and 3 recovery days. SETTING: Both experiments were condu

  2. Neurocognitive Consequences of Sleep Deprivation

    Namni Goel, Hengyi Rao, Jeffrey Durmer, et al. · 2009 · Seminars in Neurology · 2,145 citations

    Sleep deprivation is associated with considerable social, financial, and health-related costs, in large measure because it produces impaired cognitive performance due to increasing sleep propensity and instability of waking neurobehavioral functions. Cognitive functions particularly affected by sleep loss include psychomotor and cognitive speed, vigilant and executive attention, working memory, and higher cognitive abilities. Chronic sleep-restriction experiments--which model the kind of sleep loss experienced by many individuals with sleep fragmentation and premature sleep curtailment due to disorders and lifestyle--demonstrate that cognitive deficits accumulate to severe levels over time w

  5. Sleep deprivation: Impact on cognitive performance.

    Paula Alhola, Päivi Polo-Kantola · 2007 · PubMed · 768 citations

    Today, prolonged wakefulness is a widespread phenomenon. Nevertheless, in the field of sleep and wakefulness, several unanswered questions remain. Prolonged wakefulness can be due to acute total sleep deprivation (SD) or to chronic partial sleep restriction. Although the latter is more common in everyday life, the effects of total SD have been examined more thoroughly. Both total and partial SD induce adverse changes in cognitive performance. First and foremost, total SD impairs attention and working memory, but it also affects other functions, such as long-term memory and decision-making. Partial SD is found to influence attention, especially vigilance. Studies on its effects on more demand

  6. Moderate sleep deprivation produces impairments in cognitive and motor performance equivalent to legally prescribed levels of alcohol intoxication

    Ann Williamson, Anne-Marie Feyer · 2000 · Occupational and Environmental Medicine · 713 citations

    OBJECTIVES: To compare the relative effects on performance of sleep deprivation and alcohol. METHODS: Performance effects were studied in the same subjects over a period of 28 hours of sleep deprivation and after measured doses of alcohol up to about 0.1% blood alcohol concentration (BAC). There were 39 subjects, 30 employees from the transport industry and nine from the army. RESULTS: After 17-19 hours without sleep, corresponding to 2230 and 0100, performance on some tests was equivalent or worse than that at a BAC of 0.05%. Response speeds were up to 50% slower for some tests and accuracy measures were significantly poorer than at this level of alcohol. After longer periods without sleep,

  7. Cognitive Performance, Sleepiness, and Mood in Partially Sleep Deprived Adolescents: The Need for Sleep Study

    June C. Lo, Ju Lynn Ong, Ruth L F Leong, et al. · 2016 · SLEEP · 433 citations

    To investigate the effects of sleep restriction (7 nights of 5 h time in bed [TIB]) on cognitive performance, subjective sleepiness, and mood in adolescents. A parallel-group design was adopted in the Need for Sleep Study. Fifty-six healthy adolescents (25 males, age = 15–19 y) who studied in top high schools and were not habitual short sleepers were randomly assigned to Sleep Restriction (SR) or Control groups. Participants underwent a 2-w protocol consisting of 3 baseline nights (TIB = 9 h), 7 nights of sleep opportunity manipulation (TIB = 5 h for the SR and 9 h for the control groups), and 3 nights of recovery sleep (TIB = 9 h) at a boarding school. A cognitive test battery was administe

  9. Effects of Partial and Acute Total Sleep Deprivation on Performance across Cognitive Domains, Individuals and Circadian Phase

    June C. Lo, John A. Groeger, Nayantara Santhi, et al. · 2012 · PLoS ONE · 338 citations

    BACKGROUND: Cognitive performance deteriorates during extended wakefulness and circadian phase misalignment, and some individuals are more affected than others. Whether performance is affected similarly across cognitive domains, or whether cognitive processes involving Executive Functions are more sensitive to sleep and circadian misalignment than Alertness and Sustained Attention, is a matter of debate. METHODOLOGY/PRINCIPAL FINDINGS: We conducted a 2 × 12-day laboratory protocol to characterize the interaction of repeated partial and acute total sleep deprivation and circadian phase on performance across seven cognitive domains in 36 individuals (18 males; mean ± SD of age = 27.6 ± 4.0 yea

  11. The consequences of sleep deprivation on cognitive performance

    Mohammad A Khan, H. Al-Jahdali · 2023 · Neurosciences · 154 citations

    Although not fully understood, sleep is accepted as a vital and organized sequence of events that follows a regular cyclic program each night to ensure the human body can perform at its optimum. A lack of sleep, or sleep deprivation (SD), is a widespread phenomenon that can induce adverse changes in cognitive performance. This review focused on the biological explanation as well as the research investigating the numerous effects that SD can have on cognition. A reduction in sleep does not occur independently of the effects on memory, attention, alertness, judgment, decision-making, and overall cognitive abilities in the brain, resulting in decreased function and impaired cognitive performanc

  12. The effects of chronic sleep reduction on the performance of cognitive tasks sensitive to sleep deprivation

    Mark Blagrove, Carol Alexander, James A. Horne · 1995 · Applied Cognitive Psychology · 85 citations

    AbstractIn four sleep loss experiments we aimed, first, to compare performance during long‐term sleep reduction with performance during short‐term total sleep deprivation, and second, to measure the effects of both methods of sleep loss on ability to ignore distracting irrelevant stimuli, using a finding embedded figures test (FEFT). Logical reasoning, auditory vigilance and finding embedded figures tasks were shown to be significantly sensitive to one night's sleep deprivation. However, in one sleep reduction study subjects reduced to a mean of 5.2 hours sleep per night for 4 weeks showed no performance deficits on logical reasoning. In a second sleep reduction study subjects reduced to a m

  13. Sleep Deprivation and Sustained Attention Performance: Integrating Mathematical and Cognitive Modeling

    Glenn Gunzelmann, Joshua B. Gross, Kevin A. Gluck, et al. · 2009 · Cognitive Science · 80 citations

    AbstractA long history of research has revealed many neurophysiological changes and concomitant behavioral impacts of sleep deprivation, sleep restriction, and circadian rhythms. Little research, however, has been conducted in the area of computational cognitive modeling to understand the information processing mechanisms through which neurobehavioral factors operate to produce degradations in human performance. Our approach to understanding this relationship is to link predictions of overall cognitive functioning, or alertness, from existing biomathematical models to information processing parameters in a cognitive architecture, leveraging the strengths from each to develop a more comprehen

  14. The Role of Sleep and the Effects of Sleep Loss on Cognitive, Affective, and Behavioral Processes

    Anna Hyndych, R. El-Abassi, Edward C Mader · 2025 · Cureus · 54 citations

    Sleep is essential for various cognitive, affective, and behavioral processes, including attention, memory, executive function, emotional regulation, and interpersonal interactions. Sleep disruptions undermine these functions, resulting in measurable impairments in daily activities, occupational performance, and public safety. Adequate sleep supports sustained vigilance and concentration, whereas sleep deprivation is associated with attentional lapses, diminished cognitive control, and impaired sensory processing. Memory consolidation, which depends on both non-rapid eye movement (NREM) and rapid eye movement (REM) sleep, is particularly susceptible to disruption by sleep loss. Executive fun

  15. Sleep deprivation effects on basic cognitive processes: which components of attention, working memory, and executive functions are more susceptible to the lack of sleep?

    Aída García, J. D. Angel, Jorge Borrani, et al. · 2021 · Sleep Science · 52 citations

    Introduction Sleep deprived people have difficulties to perform daily activities. Their performance depends on three basic cognitive processes: attention, working memory, and executive functions. Objectives The aim of this study was to identify which specific components of these cognitive processes are more susceptible to a 24-h sleep deprivation period. Material and Methods Participants were 23 undergraduate students assigned to one of two groups: a control group (n=11, age=18.73±1.62 years) and a sleep deprivation group (n=12, age=18.08±1.16 years). After sleeping freely, control group participants performed a continuous performance task to evaluate the components of attention, a phonologic

  19. Effects of Caffeine Intake on Cognitive Performance Related to Total Sleep Deprivation and Time on Task: A Randomized Cross-Over Double-Blind Study

    M. Quiquempoix, F. Sauvet, Mégane Erblang, et al. · 2022 · Nature and Science of Sleep · 14 citations

    Introduction It is widely admitted that both total sleep deprivation (TSD) and extended task engagement (Time-On-Task, TOT) induce a cognitive fatigue state in healthy subjects. Even if EEG theta activity and adenosine both increase with cognitive fatigue, it remains unclear if these modifications are common mechanisms for both sustained attention and executive processes. Methods We performed a double-blind counter-balanced (placebo (PCBO) and caffeine (CAF) - 2×2.5 mg/kg/24 h)) study on 24 healthy subjects (33.7 ± 5.9 y). Subjects participated in an experimental protocol including an habituation/training day followed by a baseline day (D0 and D1) and a total sleep deprivation (TSD) day begi

  20. Sleep Pattern Interference in the Cognitive Performance of Lusitano Horses

    Â. P. Barbosa, Tiago M. Oliveira, P. Trindade, et al. · 2024 · Animals : an Open Access Journal from MDPI · 10 citations

    Simple Summary Little is known about how incomplete sleep affects a horse’s memorization. Like most mammals, horses need sleep to fully function, with differences in the total sleep time needed. The literature shows that horses need about three to four hours divided between two phases: the REM (rapid eye movement) phase and the NREM (non-rapid eye movement) phase. The aim of this study was to better understand how interference with the REM phase can affect the memory skill of horses. For this study, 10 horses were filmed in their stall to characterize their sleep patterns for 48 h. Afterwards, horses that experienced REM sleep interference and horses that did not experience REM sleep interfe

  21. Cognitive performance during exposure to moderate normobaric hypoxia after sleep restriction: relationship to physiological and stress biomarkers.

    P. Fabries, A. Pontiggia, Ulysse Comte, et al. · 2024 · Physiology & behavior · 6 citations

    INTRODUCTION Exposure to moderate levels of simulated hypoxia has subtle cognitive effects relative to ground level, in healthy individuals. However, there are few data on the cognitive consequences of the combination of hypoxia and partial sleep deprivation, which is a classic military or civilian operational context. In this study, we tested the hypothesis that exposure to moderate hypoxia while sleep-restricted impairs several domains of cognition, and we also assessed physiological parameters and salivary concentrations of cortisol and alpha-amylase. METHOD Seventeen healthy males completed two sessions of cognitive tests (sustained attention using the PVT psychomotor vigilance task an

  22. Influence of Sleep Deprivation on Cognitive Performance

    Chitralekha Rajuskar, Vishal Badarke · 2024 · International Journal For Multidisciplinary Research · 3 citations

    Sleep deprivation is a pervasive phenomenon affecting millions worldwide, with profound implications for cognitive performance. This article explores the intricate interplay between sleep and cognition, examining the multifaceted effects of sleep deprivation on various aspects of cognitive function. Drawing upon neuro scientific research and clinical studies, we delve into the biological mechanisms underlying the impact of sleep loss on memory, attention, executive function, and emotional regulation. Additionally, we explore the implications of sleep deprivation for academic and occupational performance, as well as its potential long-term consequences for cognitive health. This article aims

  23. Intelligence predicts better cognitive performance after normal sleep but larger vulnerability to sleep deprivation

    L. Balter, T. Sundelin, B. Holding, et al. · 2022 · Journal of Sleep Research · 2 citations

    Fluid intelligence is seen as a beneficial attribute, protecting against stress and ill‐health. Whether intelligence provides resilience to the cognitive effects of insufficient sleep was tested in the current pre‐registered experimental study. Participants (N = 182) completed the Raven's test (measuring fluid intelligence) and a normal night of sleep or a night of total sleep deprivation. Sleepiness and four cognitive tests were completed at 22:30 hours (baseline), and the following day after sleep manipulation. At baseline, higher fluid intelligence was associated with faster and more accurate arithmetic calculations, and better episodic memory, but not with spatial working memory, simple

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